共 32 条
[21]
SMITH JM, 1988, EVOLUTION SEX, P3
[25]
STEMMER WPC, 1995, BIO-TECHNOL, V13, P549, DOI 10.1038/nbt0695-549
[27]
Toward the development of DNA vaccines
[J].
CURRENT OPINION IN BIOTECHNOLOGY,
1996, 7 (06)
:653-658
[28]
WEISHAU H, 1990, SCIENCE, V250, P1227
[30]
Directed evolution of subtilisin E in Bacillus subtilis to enhance total activity in aqueous dimethylformamide
[J].
PROTEIN ENGINEERING,
1996, 9 (01)
:77-83